C# Read and filter lines from file

Something useful in C# from .NET 4.0:

File.ReadLines("c:\test.txt").Where(x => !x.StartsWith("xYz--"));
File.ReadLines("c:\test.txt").AsParallel().Where(x => !x.StartsWith("xYz--"));

[ msdn ]


Microsoft Mathematics 4.0

At the end of the installation it is possible to download and install Word and OneNote Add-ins:

Testing the Ink input (think Smartboard – touchscreen devices – school related – …) which works fine as you can see:

The Graphing view:

Some 3D plotting and another calculator skin (you can move the 3D shape around with your mouse):

You can also export really cool 3D plots as images (or as MathML, etc…):

Microsoft Mathematics 4.0 can be download here for your 32bits or 64bits operating system.

Released: 12 January 2011

[ source ]